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 ###Instrução: Nomear o número total de estados para 1 de julho de 2010, a densidade é 1209.
 ###Tabelas: CREATE TABLE south_carolina_counties_ranked_by_per_capita_income (south_carolina_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE list_of_the_most_populous_us_counties_sorted_according_to_the_mid-2011_official_estimate_by_the_uscb (list_of_the_most_populous_us_counties_sorted_according_to_the_mid-2011_official_estimate_by_the_uscb_id AUTO_INCREMENT PRIMARY KEY, Rank INT, County VARCHAR, State VARCHAR, Land area (km²) VARCHAR, Land area (mi²) VARCHAR, April 1, 2010 census INT, April 1, 2010 density (/km²) INT, April 1, 2010 density (/mi²) INT, July 1, 2010 official estimate INT, July 1, 2010 density (/km²) INT, July 1, 2010 density (/mi²) INT, July 1, 2011 official estimate INT, July 1, 2011 density (/km²) INT, July 1, 2011 density (/mi²) INT, Mid-2010 to mid-2011 change (Absolute) INT, Mid-2010 to mid-2011 change (%) VARCHAR, County seat or courthouse VARCHAR) CREATE TABLE record_as_j._league_member (record_as_j._league_member_id AUTO_INCREMENT PRIMARY KEY, Season INT, Div. VARCHAR, Tms. INT, Pos. INT, Attendance/G INT, Emperor's Cup VARCHAR) CREATE TABLE external_links (external_links_id AUTO_INCREMENT PRIMARY KEY, College code VARCHAR, Faculty name VARCHAR, Designation VARCHAR, Qualification VARCHAR, Department VARCHAR, Experience VARCHAR) CREATE TABLE most_wickets (most_wickets_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Matches VARCHAR, Overs VARCHAR, Wickets VARCHAR, Economy Rate VARCHAR, Average VARCHAR, Strike Rate VARCHAR)  
SELECT COUNT State FROM list_of_the_most_populous_us_counties_sorted_according_to_the_mid-2011_official_estimate_by_the_uscb WHERE July 1, 2010 density (/mi²) = 1209